Add support for manually freeing repo objects

A new method 'git_repository_object_free' allows to manually force the
freeing of a repository object, even though they are still automatically
managed by the repository and don't need to be freed by the user.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/hashtable.c b/src/hashtable.c
index 4006a8714..242a6fa1d 100644
--- a/src/hashtable.c
+++ b/src/hashtable.c
@@ -183,6 +183,37 @@ void *git_hashtable_lookup(git_hashtable *table, const void *key)
 	return NULL;
 }
 
+int git_hashtable_remove(git_hashtable *table, const void *key)
+{
+	git_hashtable_node *node, *prev_node;
+	uint32_t index, hash;
+
+	assert(table);
+
+	hash = table->hash(key);
+	index = (hash & table->size_mask);
+	node = table->nodes[index];
+
+	prev_node = NULL;
+
+	while (node != NULL) {
+		if (node->hash == hash && table->key_equal(node->object, key)) {
+			if (prev_node == NULL)
+				table->nodes[index] = node->next;
+			else
+				prev_node->next = node->next;
+
+			free(node);
+			return GIT_SUCCESS;
+		}
+
+		prev_node = node;
+		node = node->next;
+	}
+
+	return GIT_ENOTFOUND;
+}
+
 
 
 void git_hashtable_iterator_init(git_hashtable *table, git_hashtable_iterator *it)